1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* crypto/asn1/a_object.c */ 2656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * All rights reserved. 4656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This package is an SSL implementation written 6656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * by Eric Young (eay@cryptsoft.com). 7656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The implementation was written so as to conform with Netscapes SSL. 8656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 9656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This library is free for commercial and non-commercial use as long as 10656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the following conditions are aheared to. The following conditions 11656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * apply to all code found in this distribution, be it the RC4, RSA, 12656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * included with this distribution is covered by the same copyright terms 14656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 16656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Copyright remains Eric Young's, and as such any Copyright notices in 17656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the code are not to be removed. 18656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * If this package is used in a product, Eric Young should be given attribution 19656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * as the author of the parts of the library used. 20656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This can be in the form of a textual message at program startup or 21656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * in documentation (online or textual) provided with the package. 22656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 23656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Redistribution and use in source and binary forms, with or without 24656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * modification, are permitted provided that the following conditions 25656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * are met: 26656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. Redistributions of source code must retain the copyright 27656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer. 28656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 29656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer in the 30656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * documentation and/or other materials provided with the distribution. 31656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. All advertising materials mentioning features or use of this software 32656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * must display the following acknowledgement: 33656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes cryptographic software written by 34656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Eric Young (eay@cryptsoft.com)" 35656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The word 'cryptographic' can be left out if the rouines from the library 36656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * being used are not cryptographic related :-). 37656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 4. If you include any Windows specific code (or a derivative thereof) from 38656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the apps directory (application code) you must include an acknowledgement: 39656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 41656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SUCH DAMAGE. 52656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 53656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The licence and distribution terms for any publically available version or 54656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * derivative of this code cannot be changed. i.e. this code cannot simply be 55656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * copied and put under another distribution licence 56656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * [including the GNU Public Licence.] 57656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 58656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 59656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <stdio.h> 60656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <limits.h> 61656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include "cryptlib.h" 62656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/buffer.h> 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/asn1.h> 64656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/objects.h> 65656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/bn.h> 66656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 67656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint i2d_ASN1_OBJECT(ASN1_OBJECT *a, unsigned char **pp) 68656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 69656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned char *p; 70656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int objsize; 71656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 72656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((a == NULL) || (a->data == NULL)) return(0); 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project objsize = ASN1_object_size(0,a->length,V_ASN1_OBJECT); 75656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (pp == NULL) return objsize; 76656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 77656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p= *pp; 78656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_put_object(&p,0,a->length,V_ASN1_OBJECT,V_ASN1_UNIVERSAL); 79656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memcpy(p,a->data,a->length); 80656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p+=a->length; 81656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 82656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project *pp=p; 83656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(objsize); 84656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 85656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 86656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint a2d_ASN1_OBJECT(unsigned char *out, int olen, const char *buf, int num) 87656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 88656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i,first,len=0,c, use_bn; 89656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project char ftmp[24], *tmp = ftmp; 90656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int tmpsize = sizeof ftmp; 91656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project const char *p; 92656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned long l; 93656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIGNUM *bl = NULL; 94656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 95656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (num == 0) 96656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(0); 97656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else if (num == -1) 98656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project num=strlen(buf); 99656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 100656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p=buf; 101656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c= *(p++); 102656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project num--; 103656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((c >= '0') && (c <= '2')) 104656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 105656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project first= c-'0'; 106656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 107656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 108656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 109656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_FIRST_NUM_TOO_LARGE); 110656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 111656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 112656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 113656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (num <= 0) 114656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 115656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_MISSING_SECOND_NUMBER); 116656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 117656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 118656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c= *(p++); 119656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project num--; 120656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (;;) 121656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 122656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (num <= 0) break; 123656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((c != '.') && (c != ' ')) 124656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 125656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_INVALID_SEPARATOR); 126656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 127656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 128656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project l=0; 129656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project use_bn = 0; 130656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (;;) 131656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 132656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (num <= 0) break; 133656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project num--; 134656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c= *(p++); 135656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((c == ' ') || (c == '.')) 136656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 137656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((c < '0') || (c > '9')) 138656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 139656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_INVALID_DIGIT); 140656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 141656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 142ee7afb3c942c4eefef6ed06201eafaf8ec58e2e3Brian Carlstrom if (!use_bn && l >= ((ULONG_MAX - 80) / 10L)) 143656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 144656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project use_bn = 1; 145656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!bl) 146656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project bl = BN_new(); 147656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!bl || !BN_set_word(bl, l)) 148656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 149656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 150656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (use_bn) 151656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 152656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!BN_mul_word(bl, 10L) 153656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project || !BN_add_word(bl, c-'0')) 154656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 155656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 156656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 157656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project l=l*10L+(long)(c-'0'); 158656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 159656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (len == 0) 160656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 161656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((first < 2) && (l >= 40)) 162656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 163656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_SECOND_NUMBER_TOO_LARGE); 164656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 165656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 166656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (use_bn) 167656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 168656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!BN_add_word(bl, first * 40)) 169656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 170656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 171656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 172656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project l+=(long)first*40; 173656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 174656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i=0; 175656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (use_bn) 176656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 177656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int blsize; 178656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project blsize = BN_num_bits(bl); 179656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project blsize = (blsize + 6)/7; 180656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (blsize > tmpsize) 181656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 182656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (tmp != ftmp) 183656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(tmp); 184656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tmpsize = blsize + 32; 185656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tmp = OPENSSL_malloc(tmpsize); 186656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!tmp) 187656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 188656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 189656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project while(blsize--) 190656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tmp[i++] = (unsigned char)BN_div_word(bl, 0x80L); 191656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 192656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 193656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 194656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 195656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (;;) 196656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 197656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tmp[i++]=(unsigned char)l&0x7f; 198656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project l>>=7L; 199656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (l == 0L) break; 200656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 201656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 202656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 203656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (out != NULL) 204656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 205656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (len+i > olen) 206656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 207656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_BUFFER_TOO_SMALL); 208656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 209656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 210656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project while (--i > 0) 211656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project out[len++]=tmp[i]|0x80; 212656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project out[len++]=tmp[0]; 213656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 214656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 215656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project len+=i; 216656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 217656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (tmp != ftmp) 218656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(tmp); 219656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (bl) 220656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BN_free(bl); 221656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(len); 222656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projecterr: 223656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (tmp != ftmp) 224656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(tmp); 225656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (bl) 226656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BN_free(bl); 227656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(0); 228656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 229656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 230656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint i2t_ASN1_OBJECT(char *buf, int buf_len, ASN1_OBJECT *a) 231656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 232656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return OBJ_obj2txt(buf, buf_len, a, 0); 233656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 234656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 235656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint i2a_ASN1_OBJECT(BIO *bp, ASN1_OBJECT *a) 236656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 237656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project char buf[80], *p = buf; 238656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i; 239656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 240656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((a == NULL) || (a->data == NULL)) 241656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(BIO_write(bp,"NULL",4)); 242656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i=i2t_ASN1_OBJECT(buf,sizeof buf,a); 243656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i > (int)(sizeof(buf) - 1)) 244656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 245656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p = OPENSSL_malloc(i + 1); 246656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!p) 247656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return -1; 248656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i2t_ASN1_OBJECT(p,i + 1,a); 249656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 250656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i <= 0) 251656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return BIO_write(bp, "<INVALID>", 9); 252656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_write(bp,p,i); 253656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (p != buf) 254656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(p); 255656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(i); 256656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 257656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 258656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectASN1_OBJECT *d2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp, 259656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project long length) 260656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 261656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project const unsigned char *p; 262656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project long len; 263656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int tag,xclass; 264656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int inf,i; 265656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_OBJECT *ret = NULL; 266656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p= *pp; 267656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project inf=ASN1_get_object(&p,&len,&tag,&xclass,length); 268656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (inf & 0x80) 269656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 270656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i=ASN1_R_BAD_OBJECT_HEADER; 271656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 272656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 273656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 274656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (tag != V_ASN1_OBJECT) 275656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 276656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i=ASN1_R_EXPECTING_AN_OBJECT; 277656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 278656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 279656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret = c2i_ASN1_OBJECT(a, &p, len); 280656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ret) *pp = p; 281656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ret; 282656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projecterr: 283656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1err(ASN1_F_D2I_ASN1_OBJECT,i); 284656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(NULL); 285656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 286656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectASN1_OBJECT *c2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp, 287656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project long len) 288656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 289656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_OBJECT *ret=NULL; 290656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project const unsigned char *p; 291221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom unsigned char *data; 292656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i; 293221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Sanity check OID encoding: can't have leading 0x80 in 294221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * subidentifiers, see: X.690 8.19.2 29598d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom */ 296ee7afb3c942c4eefef6ed06201eafaf8ec58e2e3Brian Carlstrom for (i = 0, p = *pp; i < len; i++, p++) 29798d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom { 298221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (*p == 0x80 && (!i || !(p[-1] & 0x80))) 29998d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom { 30098d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom ASN1err(ASN1_F_C2I_ASN1_OBJECT,ASN1_R_INVALID_OBJECT_ENCODING); 30198d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom return NULL; 30298d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom } 30398d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom } 304656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 305656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* only the ASN1_OBJECTs from the 'table' will have values 306656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * for ->sn or ->ln */ 307656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((a == NULL) || ((*a) == NULL) || 308656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project !((*a)->flags & ASN1_OBJECT_FLAG_DYNAMIC)) 309656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 310656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((ret=ASN1_OBJECT_new()) == NULL) return(NULL); 311656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 312656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else ret=(*a); 313656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 314656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p= *pp; 315221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* detach data from object */ 316221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom data = (unsigned char *)ret->data; 317221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ret->data = NULL; 318221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* once detached we can change it */ 319221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if ((data == NULL) || (ret->length < len)) 320656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 321221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ret->length=0; 322221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (data != NULL) OPENSSL_free(data); 323221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom data=(unsigned char *)OPENSSL_malloc(len ? (int)len : 1); 324221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (data == NULL) 325656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { i=ERR_R_MALLOC_FAILURE; goto err; } 326221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ret->flags|=ASN1_OBJECT_FLAG_DYNAMIC_DATA; 327656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 328221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom memcpy(data,p,(int)len); 329221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* reattach data to object, after which it remains const */ 330221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ret->data =data; 331656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->length=(int)len; 332656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->sn=NULL; 333656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->ln=NULL; 334656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* ret->flags=ASN1_OBJECT_FLAG_DYNAMIC; we know it is dynamic */ 335656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p+=len; 336656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 337656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (a != NULL) (*a)=ret; 338656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project *pp=p; 339656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(ret); 340656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projecterr: 341656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1err(ASN1_F_C2I_ASN1_OBJECT,i); 342656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((ret != NULL) && ((a == NULL) || (*a != ret))) 343656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_OBJECT_free(ret); 344656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(NULL); 345656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 346656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 347656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectASN1_OBJECT *ASN1_OBJECT_new(void) 348656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 349656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_OBJECT *ret; 350656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 351656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=(ASN1_OBJECT *)OPENSSL_malloc(sizeof(ASN1_OBJECT)); 352656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ret == NULL) 353656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 354656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1err(ASN1_F_ASN1_OBJECT_NEW,ERR_R_MALLOC_FAILURE); 355656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(NULL); 356656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 357656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->length=0; 358656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->data=NULL; 359656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->nid=0; 360656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->sn=NULL; 361656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->ln=NULL; 362656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->flags=ASN1_OBJECT_FLAG_DYNAMIC; 363656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(ret); 364656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 365656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 366656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid ASN1_OBJECT_free(ASN1_OBJECT *a) 367656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 368656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (a == NULL) return; 369656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_STRINGS) 370656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 371656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef CONST_STRICT /* disable purely for compile-time strict const checking. Doing this on a "real" compile will cause memory leaks */ 372656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (a->sn != NULL) OPENSSL_free((void *)a->sn); 373656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (a->ln != NULL) OPENSSL_free((void *)a->ln); 374656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 375656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project a->sn=a->ln=NULL; 376656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 377656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_DATA) 378656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 379221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (a->data != NULL) OPENSSL_free((void *)a->data); 380656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project a->data=NULL; 381656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project a->length=0; 382656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 383656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC) 384656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(a); 385656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 386656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 387656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectASN1_OBJECT *ASN1_OBJECT_create(int nid, unsigned char *data, int len, 388656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project const char *sn, const char *ln) 389656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 390656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_OBJECT o; 391656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 392656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project o.sn=sn; 393656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project o.ln=ln; 394656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project o.data=data; 395656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project o.nid=nid; 396656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project o.length=len; 397656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project o.flags=ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS| 398656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_OBJECT_FLAG_DYNAMIC_DATA; 399656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(OBJ_dup(&o)); 400656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 401656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 402656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectIMPLEMENT_STACK_OF(ASN1_OBJECT) 403656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectIMPLEMENT_ASN1_SET_OF(ASN1_OBJECT) 404